1. Department of Medical Oncology, Faculty of Medicine King Abdulaziz University Jeddah Saudi Arabia
2. Oncology Department CHU Dr Benbadis Constantine Algeria
3. Department of Medical Oncology National Cancer Institute, Cairo University Cairo Egypt
4. Radiation Oncology Department University of Ottawa Ottawa Ontario Canada
5. Faculty of Medicine and Pharmacy of Fez University Sidi Mohammed Ben Abdellah
6. Department of Oncology Private Sector Amman Jordan
7. Department of Oncology King Abdulaziz Medical City Riyadh Saudi Arabia
8. Department of Medical Oncology Tawam Hospital Al Ain United Arab Emirates
9. Public Health Faculty, Department of public health King Saud bin Abdulaziz University for Health Sciences Riyadh Saudi Arabia
10. Thoracic surgery department King Faisal Specialist Hospital and Research Center (KFSH‐RC) Alfaisal University Riyadh Saudi Arabia